it was because it raised many difficult quertions that the book took a long time to came out
问题描述：
it was because it raised many difficult quertions that the book took a long time to came out
答
正是因为出现了很多困难的问题,所以才花了这么长的时间把这本书弄出来!这是强调句型：it was.that...,强调句型可以译为"正是.才."判断一个句子是不是强调句型,只是把it was 和 that 去掉,看这个句子通不通,通的话就...